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What's the difference?

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All stages · Demo 97

IBAN strip

Choice DE / GB / FR from the prefix. Rearrange and reduce modulo 97 in JavaScript. Jev does not do bank math.

ChoiceIBAN + MOD-97

A cheque-style strip. Magenta country block; credit fires only when rem === 1.

replaycc —mod97 —

STANDBY

All 4056 stages

Educational stage on jev.page — not the official TypeSafe console. Live calls go to POST https://api.typesafe.ai/v1/systemone from your browser when you paste a key. Without a key, the stage plays a recorded decision shaped like jev-1.13.0. Jev does not write the UI copy.